Measurement Studio for VC++

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zoom & pan problems with the CWGraph controller

 

I am useing  Measurement Studio 8.6  for VC++ 2005

Just now I use the CWGraph controller in my project to display waves.

 

  I use the  SetTrackMode  funtion , TrackZoomRectXYWithUndo and TrackPanPlotAreaXY parameters . Then I can use the mouse to Zoom the wave and Pan it . 

  Then , I find it is some stupid .  When I zoomed it out , and panned it ,  then I can't zoom it in  to its orginal scale . This is inconceivable  .

  I google the problem , and someone mentioned the AutoScaleNow funtions , but I can't find it in the NiAxes.h.

 

Is the CWGraph support these operation ? Can it be zoomed and panned freely ?

 

  

 

 

 

 

 

 

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